<template>
  <div>

    <h3>Right组件</h3>
    <p>{{ age }}</p>
    <button @click="age++">+1</button>

  </div>
</template>

<script>
export default {
    data() {
        return {
            age: 20
        }
    }
}
</script>

<style scoped>

    div {
        min-height: 200px;
        background-color: pink;
    }

</style>